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module Effective
class OrderItem < ActiveRecord::Base
self.table_name = EffectiveOrders.order_items_table_name.to_s
belongs_to :order, class_name: 'Effective::Order'
belongs_to :purchasable, polymorphic: true
delegate :purchased_download_url, to: :purchasable
delegate :purchased?, :declined?, to: :order
# Attributes
# name :string
# quantity :integer
# price :integer, default: 0
# tax_exempt :boolean
# timestamps
validates :purchasable, associated: true, presence: true
accepts_nested_attributes_for :purchasable
validates :name, presence: true
validates :quantity, presence: true, numericality: { greater_than: 0 }
validates :price, presence: true
validates :tax_exempt, inclusion: { in: [true, false] }
scope :sold, -> { joins(:order).where(orders: { state: EffectiveOrders::PURCHASED }) }
scope :sold_by, lambda { |user| sold().where(seller_id: user.id) }
def to_s
(quantity || 0) > 1 ? "#{quantity}x #{name}" : name
end
def subtotal
price * quantity
end
def quantity
self[:quantity] || 1
end
def tax
return 0 if tax_exempt?
raise 'parent Effective::Order must have a tax_rate to compute order item tax' unless order.try(:tax_rate).present?
(subtotal * order.tax_rate / 100.0).round(0).to_i
end
def total
return subtotal if tax_exempt?
raise 'parent Effective::Order must have a tax_rate to compute order item total' unless order.try(:tax_rate).present?
subtotal + tax
end
def price=(value)
if value.kind_of?(Integer)
super
else
raise 'expected price to be an Integer representing the number of cents.'
end
end
end
end
Version data entries
40 entries across 40 versions & 1 rubygems